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प्रश्न
Fill in the blank
_______ are made up of same kind of atoms.
रिकाम्या जागा भरा
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उत्तर
Elements are made up of same kind of atoms.
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Differences Between Elements, Compounds, and Mixtures
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संबंधित प्रश्न
Name the main metal present in the following:
Haemoglobin
Name the main metal present in the following:
Chalk
Name the main metal present in the following:
Chocolate wrappers
What do you understand by :
Metalloids
Why is it named so?
Fill in the blank
A pure substance has definite _______ and constant _________.
Match the columns.
| Column A | Column B |
| 1. To separate grain from chaff | a. filtration |
| 2. To seperat sawdust from water | b. sedimentation and decantation |
| 3. To separate iodine from sodium chloried | c. winnowing |
| 4. To separate iron fillings from sand | d. sublimation |
| 5.It is used to separate sand and water | e.magnetic separation |
| f. handpiicking |
Name the substance you will add to speed up sedimentation.
Write the differences between elements and compounds and give an example for each.
When two or more elements combine together they form ______.
